Age Calculator
Find your exact age in years, months, and days
Calculate Your Age
Use keyboard: Enter to calculate, Escape to clear
Tutorials & Guides
Age Calculator Guide
Understanding Age Calculation
Age calculation determines the exact time elapsed since a person's birth date, accounting for years, months, and days.
Age Calculation Formula:
Years = Current Year - Birth Year
Months = Current Month - Birth Month
Days = Current Day - Birth Day
Adjustment Rules:
If days are negative, borrow days from previous month
If months are negative, borrow 12 months from years
Account for leap years in February calculations
How to Use:
1. Enter your birth date
2. Press Enter or click Calculate Age
3. Get precise age in years, months, and days
Practical Applications
Personal Use:
Track birthdays and anniversaries
Calculate retirement age
Plan milestone celebrations
Medical:
Calculate patient ages for treatment
Track developmental milestones
Medical record keeping
Legal:
Verify age for legal requirements
Calculate service periods
Contract duration calculations